RIFLED MUZZLE CONTRACTION Russian patent published in 1999 - IPC

Abstract RU 2124687 C1

FIELD: hand firearm, applicable in sporting weapon intended for shooting from the same barrel both small shots and bullet spin-stabilized in flight. SUBSTANCE: the diameter in rifle base is smaller than the caliber of the cylindrical part of the smooth bore and it is mainly equal to the "full choke" contraction for the given caliber, and transition from the cylindrical part of the barrel smooth bore to the field diameter has an alternating steepness. EFFECT: enhanced grouping of shots. 6 cl, 3 dwg

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RU 2 124 687 C1

Authors

Kochkin S.M.

Dates

1999-01-10—Published

1994-08-05—Filed